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castortr0y [4]
4 years ago
13

What is the main function of the structure that is identified as a in the picture above

Biology
2 answers:
Rama09 [41]4 years ago
4 0
I'm sorry but there is no photo attached to it
8090 [49]4 years ago
4 0

Answer: Medium of exchange

Explanation:

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Most farms were once tilled by animals pulling plows. Today, mechanized plows can quickly till large areas of land. How have mec
GarryVolchara [31]

Answer:

The correct answer is <em><u>"Mechanized plows allow larger areas to be farmed by a single farmer."</u></em>

Explanation:

Mechanized plows allow large areas of land to be plowed quickly. A further benefit is that mechanized plows do not fatigue as people and animals do. Because of this, mechanized plows help contribute to the increasing size of modern farms.

3 0
3 years ago
Read 2 more answers
What are the dated fossils called that help scientists to identify or date rocks or fossils?
mamaluj [8]

Answer:

Index fossils

Explanation:

The index fossils are the fossils that come in very handy for the geologists when it comes to identifying or dating rock samples or other fossils. The reason for this is that the index fossils have already been dated. They are fossils that are very commonly found, wide dispersed, are easy to be identified, and are limited to only a certain geological period. These characteristics make them an excellent indicator for the dating of the rock layers in which they are found, or the fossils found in the same layers with them, without conducting further examinations.

5 0
3 years ago
If the bicuspid (mitral) valve is not fully closing, does pulmonary circulation increase, decrease, or not change?
elena-14-01-66 [18.8K]

Answer: Decrease

It will decrees because required volume of blood will not be   emptied into the pulmonary circulation  to reach the lung for oxygenation. Rather blood flows back into the  Right  atrium ,(regurgitation,) through the these valves   during ventricular contraction ( systole)of the Right Ventricle instead to the pulmonary circulation which  reduces blood flow leading  to volume overload  in  the heart. Eventually this  affects systemic circulation,

Explanation:

8 0
3 years ago
What does it mean by a "genetically engineered seed "?
pantera1 [17]

Genetically engineered seed, or GMO, are foods produced from organisms that have had changes introduced into their DNA using the methods of genetic engineering.

8 0
3 years ago
Which of these statements best describes a difference between the two layers?
madam [21]

Hi!

Could you please be more specific, so that I can answer your question properly? Layer of what?

4 0
2 years ago
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